Home / 254,709.60-381,821.40-94,742.70

Finding the Fourth Proportional to 254,709.60, 381,821.40 and 94,742.70

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Solution

The fourth proportional to 254,709.60, 381,821.40 and 94,742.70 is: 142,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,709.60 : 381,821.40 = 94,742.70 : x
  2. Step 2: Convert to fraction form
    254,709.60/381,821.40 = 94,742.70/x
  3. Step 3: Cross multiply
    254,709.60x = 381,821.40 × 94,742.70
  4. Step 4: Simplify right side
    254,709.60x = 36,174,790,353.78
  5. Step 5: Solve for x
    x = 36,174,790,353.78/254,709.60
  6. Step 6: Final answer
    x = 142,023.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.